summaryrefslogtreecommitdiff
path: root/cmd-line-utils/libedit/histedit.h
blob: 523d27b0be2732bab9f614bd7ab473bd71c6901b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
/*	$NetBSD: histedit.h,v 1.48 2011/07/28 20:50:55 christos Exp $	*/

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
 */

/*
 * histedit.h: Line editor and history interface.
 */
#ifndef _HISTEDIT_H_
#define	_HISTEDIT_H_

#define	LIBEDIT_MAJOR 2
#define	LIBEDIT_MINOR 11

/* XXXMYSQL : stdint.h might not be available on older Solaris platforms. */
#if defined(__sun) || defined(__sun__)
#include <sys/inttypes.h>
#else
#include <stdint.h>
#endif

#include <sys/types.h>
#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * ==== Editing ====
 */

typedef struct editline EditLine;

/*
 * For user-defined function interface
 */
typedef struct lineinfo {
	const char	*buffer;
	const char	*cursor;
	const char	*lastchar;
} LineInfo;

/*
 * EditLine editor function return codes.
 * For user-defined function interface
 */
#define	CC_NORM		0
#define	CC_NEWLINE	1
#define	CC_EOF		2
#define	CC_ARGHACK	3
#define	CC_REFRESH	4
#define	CC_CURSOR	5
#define	CC_ERROR	6
#define	CC_FATAL	7
#define	CC_REDISPLAY	8
#define	CC_REFRESH_BEEP	9

/*
 * Initialization, cleanup, and resetting
 */
EditLine	*el_init(const char *, FILE *, FILE *, FILE *);
void		 el_end(EditLine *);
void		 el_reset(EditLine *);

/*
 * Get a line, a character or push a string back in the input queue
 */
const char	*el_gets(EditLine *, int *);
int		 el_getc(EditLine *, char *);
void		 el_push(EditLine *, const char *);

/*
 * Beep!
 */
void		 el_beep(EditLine *);

/*
 * High level function internals control
 * Parses argc, argv array and executes builtin editline commands
 */
int		 el_parse(EditLine *, int, const char **);

/*
 * Low level editline access functions
 */
int		 el_set(EditLine *, int, ...);
int		 el_get(EditLine *, int, ...);
unsigned char	_el_fn_complete(EditLine *, int);

/*
 * el_set/el_get parameters
 *
 * When using el_wset/el_wget (as opposed to el_set/el_get):
 *   Char is wchar_t, otherwise it is char.
 *   prompt_func is el_wpfunc_t, otherwise it is el_pfunc_t .

 * Prompt function prototypes are:
 *   typedef char    *(*el_pfunct_t)  (EditLine *);
 *   typedef wchar_t *(*el_wpfunct_t) (EditLine *);
 *
 * For operations that support set or set/get, the argument types listed are for
 * the "set" operation. For "get", each listed type must be a pointer.
 * E.g. EL_EDITMODE takes an int when set, but an int* when get.
 * 
 * Operations that only support "get" have the correct argument types listed.
 */
#define	EL_PROMPT	0	/* , prompt_func);		      set/get */
#define	EL_TERMINAL	1	/* , const char *);		      set/get */
#define	EL_EDITOR	2	/* , const Char *);		      set/get */
#define	EL_SIGNAL	3	/* , int);			      set/get */
#define	EL_BIND		4	/* , const Char *, ..., NULL);	      set     */
#define	EL_TELLTC	5	/* , const Char *, ..., NULL);	      set     */
#define	EL_SETTC	6	/* , const Char *, ..., NULL);	      set     */
#define	EL_ECHOTC	7	/* , const Char *, ..., NULL);        set     */
#define	EL_SETTY	8	/* , const Char *, ..., NULL);        set     */
#define	EL_ADDFN	9	/* , const Char *, const Char,        set     */
				/*   el_func_t);		 	      */
#define	EL_HIST		10	/* , hist_fun_t, const void *);	      set     */
#define	EL_EDITMODE	11	/* , int);			      set/get */
#define	EL_RPROMPT	12	/* , prompt_func);		      set/get */
#define	EL_GETCFN	13	/* , el_rfunc_t);		      set/get */
#define	EL_CLIENTDATA	14	/* , void *);			      set/get */
#define	EL_UNBUFFERED	15	/* , int);			      set/get */
#define	EL_PREP_TERM	16	/* , int);			      set     */
#define	EL_GETTC	17	/* , const Char *, ..., NULL);		  get */
#define	EL_GETFP	18	/* , int, FILE **);		          get */
#define	EL_SETFP	19	/* , int, FILE *);		      set     */
#define	EL_REFRESH	20	/* , void);			      set     */
#define	EL_PROMPT_ESC	21	/* , prompt_func, Char);	      set/get */
#define	EL_RPROMPT_ESC	22	/* , prompt_func, Char);	      set/get */
#define	EL_RESIZE	23	/* , el_zfunc_t, void *);	      set     */

#define	EL_BUILTIN_GETCFN	(NULL)

/*
 * Source named file or $PWD/.editrc or $HOME/.editrc
 */
int		el_source(EditLine *, const char *);

/*
 * Must be called when the terminal changes size; If EL_SIGNAL
 * is set this is done automatically otherwise it is the responsibility
 * of the application
 */
void		 el_resize(EditLine *);

/*
 * User-defined function interface.
 */
const LineInfo	*el_line(EditLine *);
int		 el_insertstr(EditLine *, const char *);
void		 el_deletestr(EditLine *, int);


/*
 * ==== History ====
 */

typedef struct history History;

typedef struct HistEvent {
	int		 num;
	const char	*str;
} HistEvent;

/*
 * History access functions.
 */
History *	history_init(void);
void		history_end(History *);

int		history(History *, HistEvent *, int, ...);

#define	H_FUNC		 0	/* , UTSL		*/
#define	H_SETSIZE	 1	/* , const int);	*/
#define	H_GETSIZE	 2	/* , void);		*/
#define	H_FIRST		 3	/* , void);		*/
#define	H_LAST		 4	/* , void);		*/
#define	H_PREV		 5	/* , void);		*/
#define	H_NEXT		 6	/* , void);		*/
#define	H_CURR		 8	/* , const int);	*/
#define	H_SET		 7	/* , int);		*/
#define	H_ADD		 9	/* , const wchar_t *);	*/
#define	H_ENTER		10	/* , const wchar_t *);	*/
#define	H_APPEND	11	/* , const wchar_t *);	*/
#define	H_END		12	/* , void);		*/
#define	H_NEXT_STR	13	/* , const wchar_t *);	*/
#define	H_PREV_STR	14	/* , const wchar_t *);	*/
#define	H_NEXT_EVENT	15	/* , const int);	*/
#define	H_PREV_EVENT	16	/* , const int);	*/
#define	H_LOAD		17	/* , const char *);	*/
#define	H_SAVE		18	/* , const char *);	*/
#define	H_CLEAR		19	/* , void);		*/
#define	H_SETUNIQUE	20	/* , int);		*/
#define	H_GETUNIQUE	21	/* , void);		*/
#define	H_DEL		22	/* , int);		*/
#define	H_NEXT_EVDATA	23	/* , const int, histdata_t *);	*/
#define	H_DELDATA	24	/* , int, histdata_t *);*/
#define	H_REPLACE	25	/* , const char *, histdata_t);	*/



/*
 * ==== Tokenization ====
 */

typedef struct tokenizer Tokenizer;

/*
 * String tokenization functions, using simplified sh(1) quoting rules
 */
Tokenizer	*tok_init(const char *);
void		 tok_end(Tokenizer *);
void		 tok_reset(Tokenizer *);
int		 tok_line(Tokenizer *, const LineInfo *,
		    int *, const char ***, int *, int *);
int		 tok_str(Tokenizer *, const char *,
		    int *, const char ***);

/*
 * Begin Wide Character Support
 */

/*
 * Wide character versions
 */

/*
 * ==== Editing ====
 */
typedef struct lineinfow {
	const wchar_t	*buffer;
	const wchar_t	*cursor;
	const wchar_t	*lastchar;
} LineInfoW;

const wchar_t	*el_wgets(EditLine *, int *);
int		 el_wgetc(EditLine *, wchar_t *);
void		 el_wpush(EditLine *, const wchar_t *);

int		 el_wparse(EditLine *, int, const wchar_t **);

int		 el_wset(EditLine *, int, ...);
int		 el_wget(EditLine *, int, ...);

const LineInfoW	*el_wline(EditLine *);
int		 el_winsertstr(EditLine *, const wchar_t *);
#define          el_wdeletestr  el_deletestr

/*
 * ==== History ====
 */
typedef struct histeventW {
	int		 num;
	const wchar_t	*str;
} HistEventW;

typedef struct historyW HistoryW;

HistoryW *	history_winit(void);
void		history_wend(HistoryW *);

int		history_w(HistoryW *, HistEventW *, int, ...);

/*
 * ==== Tokenization ====
 */
typedef struct tokenizerW TokenizerW;

/* Wide character tokenizer support */
TokenizerW	*tok_winit(const wchar_t *);
void		 tok_wend(TokenizerW *);
void		 tok_wreset(TokenizerW *);
int		 tok_wline(TokenizerW *, const LineInfoW *,
		    int *, const wchar_t ***, int *, int *);
int		 tok_wstr(TokenizerW *, const wchar_t *,
		    int *, const wchar_t ***);

#ifdef __cplusplus
}
#endif

#endif /* _HISTEDIT_H_ */