1/*	$NetBSD: readline.h,v 1.31 2010/08/04 20:29:18 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1997 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jaromir Dolecek.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD: releng/10.3/lib/libedit/edit/readline/readline.h 228114 2011-11-29 04:50:57Z fjoe $
32 */
33#ifndef _READLINE_H_
34#define _READLINE_H_
35
36#include <sys/types.h>
37#include <stdio.h>
38
39/* list of readline stuff supported by editline library's readline wrapper */
40
41/* typedefs */
42typedef int	  Function(const char *, int);
43typedef void	  VFunction(void);
44typedef void	  VCPFunction(char *);
45typedef char	 *CPFunction(const char *, int);
46typedef char	**CPPFunction(const char *, int, int);
47typedef char     *rl_compentry_func_t(const char *, int);
48typedef int	  rl_command_func_t(int, int);
49
50/* only supports length */
51typedef struct {
52	int length;
53} HISTORY_STATE;
54
55typedef void *histdata_t;
56
57typedef struct _hist_entry {
58	const char	*line;
59	histdata_t 	 data;
60} HIST_ENTRY;
61
62typedef struct _keymap_entry {
63	char type;
64#define ISFUNC	0
65#define ISKMAP	1
66#define ISMACR	2
67	Function *function;
68} KEYMAP_ENTRY;
69
70#define KEYMAP_SIZE	256
71
72typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
73typedef KEYMAP_ENTRY *Keymap;
74
75#define control_character_threshold	0x20
76#define control_character_bit		0x40
77
78#ifndef CTRL
79#include <sys/ioctl.h>
80#if !defined(__sun) && !defined(__hpux) && !defined(_AIX)
81#include <sys/ttydefaults.h>
82#endif
83#ifndef CTRL
84#define CTRL(c)		((c) & 037)
85#endif
86#endif
87#ifndef UNCTRL
88#define UNCTRL(c)	(((c) - 'a' + 'A')|control_character_bit)
89#endif
90
91#define RUBOUT		0x7f
92#define ABORT_CHAR	CTRL('G')
93#define RL_READLINE_VERSION 	0x0402
94#define RL_PROMPT_START_IGNORE	'\1'
95#define RL_PROMPT_END_IGNORE	'\2'
96
97/* global variables used by readline enabled applications */
98#ifdef __cplusplus
99extern "C" {
100#endif
101extern const char	*rl_library_version;
102extern int 		rl_readline_version;
103extern char		*rl_readline_name;
104extern FILE		*rl_instream;
105extern FILE		*rl_outstream;
106extern char		*rl_line_buffer;
107extern int		 rl_point, rl_end;
108extern int		 history_base, history_length;
109extern int		 max_input_history;
110extern char		*rl_basic_word_break_characters;
111extern char		*rl_completer_word_break_characters;
112extern char		*rl_completer_quote_characters;
113extern Function		*rl_completion_entry_function;
114extern CPPFunction	*rl_attempted_completion_function;
115extern int		 rl_attempted_completion_over;
116extern int		rl_completion_type;
117extern int		rl_completion_query_items;
118extern char		*rl_special_prefixes;
119extern int		rl_completion_append_character;
120extern int		rl_inhibit_completion;
121extern Function		*rl_pre_input_hook;
122extern Function		*rl_startup_hook;
123extern char		*rl_terminal_name;
124extern int		rl_already_prompted;
125extern char		*rl_prompt;
126/*
127 * The following is not implemented
128 */
129extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap,
130			emacs_meta_keymap,
131			emacs_ctlx_keymap;
132extern int		rl_filename_completion_desired;
133extern int		rl_ignore_completion_duplicates;
134extern int		(*rl_getc_function)(FILE *);
135extern VFunction	*rl_redisplay_function;
136extern VFunction	*rl_completion_display_matches_hook;
137extern VFunction	*rl_prep_term_function;
138extern VFunction	*rl_deprep_term_function;
139extern int		readline_echoing_p;
140extern int		_rl_print_completions_horizontally;
141
142/* supported functions */
143char		*readline(const char *);
144int		 rl_initialize(void);
145
146void		 using_history(void);
147int		 add_history(const char *);
148void		 clear_history(void);
149void		 stifle_history(int);
150int		 unstifle_history(void);
151int		 history_is_stifled(void);
152int		 where_history(void);
153HIST_ENTRY	*current_history(void);
154HIST_ENTRY	*history_get(int);
155HIST_ENTRY	*remove_history(int);
156/*###152 [lint] syntax error 'histdata_t' [249]%%%*/
157HIST_ENTRY	*replace_history_entry(int, const char *, histdata_t);
158int		 history_total_bytes(void);
159int		 history_set_pos(int);
160HIST_ENTRY	*previous_history(void);
161HIST_ENTRY	*next_history(void);
162int		 history_search(const char *, int);
163int		 history_search_prefix(const char *, int);
164int		 history_search_pos(const char *, int, int);
165int		 read_history(const char *);
166int		 write_history(const char *);
167int		 history_truncate_file (const char *, int);
168int		 history_expand(char *, char **);
169char	       **history_tokenize(const char *);
170const char	*get_history_event(const char *, int *, int);
171char		*history_arg_extract(int, int, const char *);
172
173char		*tilde_expand(char *);
174char		*filename_completion_function(const char *, int);
175char		*username_completion_function(const char *, int);
176int		 rl_complete(int, int);
177int		 rl_read_key(void);
178char	       **completion_matches(const char *, CPFunction *);
179void		 rl_display_match_list(char **, int, int);
180
181int		 rl_insert(int, int);
182int		 rl_insert_text(const char *);
183void		 rl_reset_terminal(const char *);
184int		 rl_bind_key(int, rl_command_func_t *);
185int		 rl_newline(int, int);
186void		 rl_callback_read_char(void);
187void		 rl_callback_handler_install(const char *, VCPFunction *);
188void		 rl_callback_handler_remove(void);
189void		 rl_redisplay(void);
190int		 rl_get_previous_history(int, int);
191void		 rl_prep_terminal(int);
192void		 rl_deprep_terminal(void);
193int		 rl_read_init_file(const char *);
194int		 rl_parse_and_bind(const char *);
195int		 rl_variable_bind(const char *, const char *);
196void		 rl_stuff_char(int);
197int		 rl_add_defun(const char *, Function *, int);
198HISTORY_STATE	*history_get_history_state(void);
199void		 rl_get_screen_size(int *, int *);
200void		 rl_set_screen_size(int, int);
201char 		*rl_filename_completion_function (const char *, int);
202int		 _rl_abort_internal(void);
203char 	       **rl_completion_matches(const char *, rl_compentry_func_t *);
204void		 rl_forced_update_display(void);
205int		 rl_set_prompt(const char *);
206int		 rl_on_new_line(void);
207
208/*
209 * The following are not implemented
210 */
211int		 rl_kill_text(int, int);
212Keymap		 rl_get_keymap(void);
213void		 rl_set_keymap(Keymap);
214Keymap		 rl_make_bare_keymap(void);
215int		 rl_generic_bind(int, const char *, const char *, Keymap);
216int		 rl_bind_key_in_map(int, rl_command_func_t *, Keymap);
217void		 rl_cleanup_after_signal(void);
218void		 rl_free_line_state(void);
219#ifdef __cplusplus
220}
221#endif
222
223#endif /* _READLINE_H_ */
224