readline.h revision 1.12 1 /* $NetBSD: readline.h,v 1.12 2004/09/08 18:15:37 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 * 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 NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38 #ifndef _READLINE_H_
39 #define _READLINE_H_
40
41 #include <sys/types.h>
42
43 /* list of readline stuff supported by editline library's readline wrapper */
44
45 /* typedefs */
46 typedef int Function(const char *, int);
47 typedef void VFunction(void);
48 typedef char *CPFunction(const char *, int);
49 typedef char **CPPFunction(const char *, int, int);
50
51 typedef struct _hist_entry {
52 const char *line;
53 const char *data;
54 } HIST_ENTRY;
55
56 typedef struct _keymap_entry {
57 char type;
58 #define ISFUNC 0
59 #define ISKMAP 1
60 #define ISMACR 2
61 Function *function;
62 } KEYMAP_ENTRY;
63
64 #define KEYMAP_SIZE 256
65
66 typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
67 typedef KEYMAP_ENTRY *Keymap;
68
69 #define control_character_threshold 0x20
70 #define control_character_bit 0x40
71
72 #ifndef CTRL
73 #include <sys/ioctl.h>
74 #if !defined(__sun__) && !defined(__hpux__)
75 #include <sys/ttydefaults.h>
76 #endif
77 #ifndef CTRL
78 #define CTRL(c) ((c) & 037)
79 #endif
80 #endif
81 #ifndef UNCTRL
82 #define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit)
83 #endif
84
85 #define RUBOUT 0x7f
86 #define ABORT_CHAR CTRL('G')
87
88 /* global variables used by readline enabled applications */
89 #ifdef __cplusplus
90 extern "C" {
91 #endif
92 extern const char *rl_library_version;
93 extern char *rl_readline_name;
94 extern FILE *rl_instream;
95 extern FILE *rl_outstream;
96 extern char *rl_line_buffer;
97 extern int rl_point, rl_end;
98 extern int history_base, history_length;
99 extern int max_input_history;
100 extern char *rl_basic_word_break_characters;
101 extern char *rl_completer_word_break_characters;
102 extern char *rl_completer_quote_characters;
103 extern Function *rl_completion_entry_function;
104 extern CPPFunction *rl_attempted_completion_function;
105 extern int rl_completion_type;
106 extern int rl_completion_query_items;
107 extern char *rl_special_prefixes;
108 extern int rl_completion_append_character;
109 extern int rl_inhibit_completion;
110 extern Function *rl_pre_input_hook;
111 extern Function *rl_startup_hook;
112 extern char *rl_terminal_name;
113 extern int rl_already_prompted;
114 extern char *rl_prompt;
115 /*
116 * The following is not implemented
117 */
118 extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap,
119 emacs_meta_keymap,
120 emacs_ctlx_keymap;
121 extern int rl_filename_completion_desired;
122 extern int rl_ignore_completion_duplicates;
123 extern Function *rl_getc_function;
124 extern VFunction *rl_redisplay_function;
125 extern VFunction *rl_completion_display_matches_hook;
126 extern VFunction *rl_prep_term_function;
127 extern VFunction *rl_deprep_term_function;
128
129 /* supported functions */
130 char *readline(const char *);
131 int rl_initialize(void);
132
133 void using_history(void);
134 int add_history(const char *);
135 void clear_history(void);
136 void stifle_history(int);
137 int unstifle_history(void);
138 int history_is_stifled(void);
139 int where_history(void);
140 HIST_ENTRY *current_history(void);
141 HIST_ENTRY *history_get(int);
142 int history_total_bytes(void);
143 int history_set_pos(int);
144 HIST_ENTRY *previous_history(void);
145 HIST_ENTRY *next_history(void);
146 int history_search(const char *, int);
147 int history_search_prefix(const char *, int);
148 int history_search_pos(const char *, int, int);
149 int read_history(const char *);
150 int write_history(const char *);
151 int history_expand(char *, char **);
152 char **history_tokenize(const char *);
153 const char *get_history_event(const char *, int *, int);
154 char *history_arg_extract(int, int, const char *);
155
156 char *tilde_expand(char *);
157 char *filename_completion_function(const char *, int);
158 char *username_completion_function(const char *, int);
159 int rl_complete(int, int);
160 int rl_read_key(void);
161 char **completion_matches(const char *, CPFunction *);
162 void rl_display_match_list(char **, int, int);
163
164 int rl_insert(int, int);
165 void rl_reset_terminal(const char *);
166 int rl_bind_key(int, int (*)(int, int));
167 int rl_newline(int, int);
168 void rl_callback_read_char(void);
169 void rl_callback_handler_install(const char *, VFunction *);
170 void rl_callback_handler_remove(void);
171 void rl_redisplay(void);
172 int rl_get_previous_history(int, int);
173 void rl_prep_terminal(int);
174 void rl_deprep_terminal(void);
175 int rl_read_init_file(const char *);
176 int rl_parse_and_bind(const char *);
177 void rl_stuff_char(int);
178 int rl_add_defun(const char *, Function *, int);
179
180 /*
181 * The following are not implemented
182 */
183 Keymap rl_get_keymap(void);
184 Keymap rl_make_bare_keymap(void);
185 int rl_generic_bind(int, const char *, const char *, Keymap);
186 int rl_bind_key_in_map(int, Function *, Keymap);
187 #ifdef __cplusplus
188 }
189 #endif
190
191 #endif /* _READLINE_H_ */
192