readline.h revision 1.5 1 /* $NetBSD: readline.h,v 1.5 2003/09/14 22:15:23 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 #define CTRL(c) ((c) & 037)
74 #endif
75 #ifndef UNCTRL
76 #define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit)
77 #endif
78
79 #define RUBOUT 0x7f
80 #define ABORT_CHAR CTRL('G')
81
82 /* global variables used by readline enabled applications */
83 #ifdef __cplusplus
84 extern "C" {
85 #endif
86 extern const char *rl_library_version;
87 extern char *rl_readline_name;
88 extern FILE *rl_instream;
89 extern FILE *rl_outstream;
90 extern char *rl_line_buffer;
91 extern int rl_point, rl_end;
92 extern int history_base, history_length;
93 extern int max_input_history;
94 extern char *rl_basic_word_break_characters;
95 extern char *rl_completer_word_break_characters;
96 extern char *rl_completer_quote_characters;
97 extern Function *rl_completion_entry_function;
98 extern CPPFunction *rl_attempted_completion_function;
99 extern int rl_completion_type;
100 extern int rl_completion_query_items;
101 extern char *rl_special_prefixes;
102 extern int rl_completion_append_character;
103 extern Function *rl_pre_input_hook;
104 extern Function *rl_startup_hook;
105 extern char *rl_terminal_name;
106 extern int rl_already_prompted;
107 extern char *rl_prompt;
108 /*
109 * The following is not implemented
110 */
111 extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap,
112 emacs_meta_keymap,
113 emacs_ctlx_keymap;
114 extern int rl_filename_completion_desired;
115 extern int rl_ignore_completion_duplicates;
116 extern Function *rl_getc_function;
117 extern VFunction *rl_redisplay_function;
118 extern VFunction *rl_completion_display_matches_hook;
119 extern VFunction *rl_prep_term_function;
120 extern VFunction *rl_deprep_term_function;
121
122 /* supported functions */
123 char *readline(const char *);
124 int rl_initialize(void);
125
126 void using_history(void);
127 int add_history(const char *);
128 void clear_history(void);
129 void stifle_history(int);
130 int unstifle_history(void);
131 int history_is_stifled(void);
132 int where_history(void);
133 HIST_ENTRY *current_history(void);
134 HIST_ENTRY *history_get(int);
135 int history_total_bytes(void);
136 int history_set_pos(int);
137 HIST_ENTRY *previous_history(void);
138 HIST_ENTRY *next_history(void);
139 int history_search(const char *, int);
140 int history_search_prefix(const char *, int);
141 int history_search_pos(const char *, int, int);
142 int read_history(const char *);
143 int write_history(const char *);
144 int history_expand(char *, char **);
145 char **history_tokenize(const char *);
146
147 char *tilde_expand(char *);
148 char *filename_completion_function(const char *, int);
149 char *username_completion_function(const char *, int);
150 int rl_complete(int, int);
151 int rl_read_key(void);
152 char **completion_matches(const char *, CPFunction *);
153 void rl_display_match_list(char **, int, int);
154
155 int rl_insert(int, int);
156 void rl_reset_terminal(const char *);
157 int rl_bind_key(int, int (*)(int, int));
158
159 /*
160 * The following are not implemented
161 */
162 Keymap rl_get_keymap(void);
163 Keymap rl_make_bare_keymap(void);
164 int rl_add_defun(const char *, Function *, int);
165 int rl_generic_bind(int, const char *, const char *, Keymap);
166 int rl_bind_key_in_map(int, Function *, Keymap);
167 #ifdef __cplusplus
168 }
169 #endif
170
171 #endif /* _READLINE_H_ */
172