1 /* $NetBSD: readline.h,v 1.34 2013/05/28 00:10:34 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 #ifndef _READLINE_H_ 32 #define _READLINE_H_ 33 34 #include <sys/types.h> 35 #include <stdio.h> 36 37 /* list of readline stuff supported by editline library's readline wrapper */ 38 39 /* typedefs */ 40 typedef int Function(const char *, int); 41 typedef void VFunction(void); 42 typedef void VCPFunction(char *); 43 typedef char *CPFunction(const char *, int); 44 typedef char **CPPFunction(const char *, int, int); 45 typedef char *rl_compentry_func_t(const char *, int); 46 typedef int rl_command_func_t(int, int); 47 48 /* only supports length */ 49 typedef struct { 50 int length; 51 } HISTORY_STATE; 52 53 typedef void *histdata_t; 54 55 typedef struct _hist_entry { 56 const char *line; 57 histdata_t data; 58 } HIST_ENTRY; 59 60 typedef struct _keymap_entry { 61 char type; 62 #define ISFUNC 0 63 #define ISKMAP 1 64 #define ISMACR 2 65 Function *function; 66 } KEYMAP_ENTRY; 67 68 #define KEYMAP_SIZE 256 69 70 typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; 71 typedef KEYMAP_ENTRY *Keymap; 72 73 #define control_character_threshold 0x20 74 #define control_character_bit 0x40 75 76 #ifndef CTRL 77 #include <sys/ioctl.h> 78 #if !defined(__sun) && !defined(__hpux) && !defined(_AIX) 79 #include <sys/ttydefaults.h> 80 #endif 81 #ifndef CTRL 82 #define CTRL(c) ((c) & 037) 83 #endif 84 #endif 85 #ifndef UNCTRL 86 #define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit) 87 #endif 88 89 #define RUBOUT 0x7f 90 #define ABORT_CHAR CTRL('G') 91 #define RL_READLINE_VERSION 0x0402 92 #define RL_PROMPT_START_IGNORE '\1' 93 #define RL_PROMPT_END_IGNORE '\2' 94 95 /* global variables used by readline enabled applications */ 96 #ifdef __cplusplus 97 extern "C" { 98 #endif 99 extern const char *rl_library_version; 100 extern int rl_readline_version; 101 extern char *rl_readline_name; 102 extern FILE *rl_instream; 103 extern FILE *rl_outstream; 104 extern char *rl_line_buffer; 105 extern int rl_point, rl_end; 106 extern int history_base, history_length; 107 extern int max_input_history; 108 extern char *rl_basic_word_break_characters; 109 extern char *rl_completer_word_break_characters; 110 extern char *rl_completer_quote_characters; 111 extern Function *rl_completion_entry_function; 112 extern char *(*rl_completion_word_break_hook)(void); 113 extern CPPFunction *rl_attempted_completion_function; 114 extern int rl_attempted_completion_over; 115 extern int rl_completion_type; 116 extern int rl_completion_query_items; 117 extern char *rl_special_prefixes; 118 extern int rl_completion_append_character; 119 extern int rl_inhibit_completion; 120 extern Function *rl_pre_input_hook; 121 extern Function *rl_startup_hook; 122 extern char *rl_terminal_name; 123 extern int rl_already_prompted; 124 extern char *rl_prompt; 125 /* 126 * The following is not implemented 127 */ 128 extern int rl_catch_signals; 129 extern int rl_catch_sigwinch; 130 extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, 131 emacs_meta_keymap, 132 emacs_ctlx_keymap; 133 extern int rl_filename_completion_desired; 134 extern int rl_ignore_completion_duplicates; 135 extern int (*rl_getc_function)(FILE *); 136 extern VFunction *rl_redisplay_function; 137 extern VFunction *rl_completion_display_matches_hook; 138 extern VFunction *rl_prep_term_function; 139 extern VFunction *rl_deprep_term_function; 140 extern int readline_echoing_p; 141 extern int _rl_print_completions_horizontally; 142 143 /* supported functions */ 144 char *readline(const char *); 145 int rl_initialize(void); 146 147 void using_history(void); 148 int add_history(const char *); 149 void clear_history(void); 150 void stifle_history(int); 151 int unstifle_history(void); 152 int history_is_stifled(void); 153 int where_history(void); 154 HIST_ENTRY *current_history(void); 155 HIST_ENTRY *history_get(int); 156 HIST_ENTRY *remove_history(int); 157 HIST_ENTRY *replace_history_entry(int, const char *, histdata_t); 158 int history_total_bytes(void); 159 int history_set_pos(int); 160 HIST_ENTRY *previous_history(void); 161 HIST_ENTRY *next_history(void); 162 int history_search(const char *, int); 163 int history_search_prefix(const char *, int); 164 int history_search_pos(const char *, int, int); 165 int read_history(const char *); 166 int write_history(const char *); 167 int history_truncate_file (const char *, int); 168 int history_expand(char *, char **); 169 char **history_tokenize(const char *); 170 const char *get_history_event(const char *, int *, int); 171 char *history_arg_extract(int, int, const char *); 172 173 char *tilde_expand(char *); 174 char *filename_completion_function(const char *, int); 175 char *username_completion_function(const char *, int); 176 int rl_complete(int, int); 177 int rl_read_key(void); 178 char **completion_matches(const char *, CPFunction *); 179 void rl_display_match_list(char **, int, int); 180 181 int rl_insert(int, int); 182 int rl_insert_text(const char *); 183 void rl_reset_terminal(const char *); 184 int rl_bind_key(int, rl_command_func_t *); 185 int rl_newline(int, int); 186 void rl_callback_read_char(void); 187 void rl_callback_handler_install(const char *, VCPFunction *); 188 void rl_callback_handler_remove(void); 189 void rl_redisplay(void); 190 int rl_get_previous_history(int, int); 191 void rl_prep_terminal(int); 192 void rl_deprep_terminal(void); 193 int rl_read_init_file(const char *); 194 int rl_parse_and_bind(const char *); 195 int rl_variable_bind(const char *, const char *); 196 void rl_stuff_char(int); 197 int rl_add_defun(const char *, Function *, int); 198 HISTORY_STATE *history_get_history_state(void); 199 void rl_get_screen_size(int *, int *); 200 void rl_set_screen_size(int, int); 201 char *rl_filename_completion_function (const char *, int); 202 int _rl_abort_internal(void); 203 int _rl_qsort_string_compare(char **, char **); 204 char **rl_completion_matches(const char *, rl_compentry_func_t *); 205 void rl_forced_update_display(void); 206 int rl_set_prompt(const char *); 207 int rl_on_new_line(void); 208 209 /* 210 * The following are not implemented 211 */ 212 int rl_kill_text(int, int); 213 Keymap rl_get_keymap(void); 214 void rl_set_keymap(Keymap); 215 Keymap rl_make_bare_keymap(void); 216 int rl_generic_bind(int, const char *, const char *, Keymap); 217 int rl_bind_key_in_map(int, rl_command_func_t *, Keymap); 218 void rl_cleanup_after_signal(void); 219 void rl_free_line_state(void); 220 #ifdef __cplusplus 221 } 222 #endif 223 224 #endif /* _READLINE_H_ */ 225
